參數(shù)資料
型號(hào)： TC9332F
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP60
封裝： 14 X 14 MM, 0.80 MM PITCH, PLASTIC, QFP-60
文件頁(yè)數(shù)： 24/28頁(yè)
文件大小： 613K
代理商： TC9332F
TC9332F
2002-02-06
5
Description Of Operation
1.
Timing generator
(1)
Crystal oscillator
As Figure 1 shows, the clocks required for internal operations can be generated by connecting a
crystal oscillator and capacitor. (PLOFF = “H”)
As Figure 2 shows, clocks can also be externally input to the XI terminal.
For external clock purposes, a crystal with a good starting potential and low CI value is
recommended.
Figure 1
Self-exciting crystal oscillation
Figure 2
External clock input
(2)
Voltage-controlled oscillator (VCO)
The clocks required for internal operations are generated by an built-in VCO. The signal input from
the SYNC pin is used as a reference. Configure the phase-locked loop as shown in Figure 3. A
phase-difference (PD) signal is output from the PD terminal.
Figure 3
Example of configuration of a basic PLL circuit
(2-1) Phase-difference output
A phase-difference (PD) signal between the REF and VAR signals are output from the PD
terminal the PD signal as shown in Figure 4 below.
Figure 4
Example of phase-difference output timing
相關(guān)PDF資料
PDF描述
TC9335F-001 SPECIALTY CONSUMER CIRCUIT, PDSO30
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